Home / 472,395,349.80-708,593,024.70-298,933,007.40

Finding the Fourth Proportional to 472,395,349.80, 708,593,024.70 and 298,933,007.40

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Solution

The fourth proportional to 472,395,349.80, 708,593,024.70 and 298,933,007.40 is: 448,399,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,349.80 : 708,593,024.70 = 298,933,007.40 : x
  2. Step 2: Convert to fraction form
    472,395,349.80/708,593,024.70 = 298,933,007.40/x
  3. Step 3: Cross multiply
    472,395,349.80x = 708,593,024.70 × 298,933,007.40
  4. Step 4: Simplify right side
    472,395,349.80x = 211,821,843,896,233,472
  5. Step 5: Solve for x
    x = 211,821,843,896,233,472/472,395,349.80
  6. Step 6: Final answer
    x = 448,399,511.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.